MARY ELIZABETH DION MA, LPC
NPI 1457818601
Counselor - Professional in Grand Ledge, MI
About Mary Elizabeth Dion Ma, Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELIZABETH DION MA, LPC (NPI 1457818601) is an individual professional provider in Grand Ledge, Michigan, licensed in Michigan (6401016829) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Grand Ledge, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Elizabeth Dion Ma, Lpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mary Dion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Ledge, MI 48837
- Reassigned Medicare billing, Michigan enrollment
- 15 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Dion's NPI number?
The NPI number for Mary Dion is 1457818601. It was assigned to this individual provider in the NPPES registry on February 25, 2019.
Where is Mary Dion located?
Mary Dion practices at 311 Harrison St, Grand Ledge, MI 48837. The listed phone number is (517) 338-3090.
What is Mary Dion's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Mary Dion enrolled in Medicare?
Yes. Mary Dion is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mary Dion's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Dion reassigns Medicare benefits to Insight Counseling Services Of Greater Lansing LLC (Grand Ledge, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Dion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Dion accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company, Priority Health and UnitedHealthcare list Mary Dion as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Dion was last updated on August 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Elizabeth Dion, MA, LPC · NPI 1457818601
Professional provider in Grand Ledge, Michigan. Individual provider, active in the CMS NPPES registry since February 25, 2019.
## Identity
- **NPI:** 1457818601 (Entity type: Individual)
- **Enumerated:** February 25, 2019
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 6401016829 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 311 HARRISON ST, Grand Ledge, MI 48837-1577
- **Phone:** (517) 338-3090
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Insight Counseling Services Of Greater Lansing LLC (NPI 1619433521, Grand Ledge, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457818601) · Data from the CMS NPPES public registry.